kamailio/misc/examples/exec/exec.cfg

#!KAMAILIO
#
# this example shows use of ser as stateless redirect server
# which rewrites URIs using an exernal utility
#

# ------------------ module loading ----------------------------------

loadmodule "exec.so"
loadmodule "sl.so"
loadmodule "xlog.so"

# -------------------------  request routing logic -------------------

# main routing logic

request_route {
	# for testing purposes, simply okay all REGISTERs
	if (method=="REGISTER") {
		xlog("REGISTER");
		sl_send_reply("200", "ok");
		break;
	};

	# first dump the message to a file using cat command
	exec_msg("printenv SRCIP > /tmp/exectest.txt; cat >> /tmp/exectest.txt");
	# and then rewrite URI using external utility
	# note that the last echo command trashes input parameter
	if (exec_dset("echo sip:mra@iptel.org;echo sip:mrb@iptel.org;echo>/dev/null")) {
		sl_send_reply("300", "Redirect");
	} else {
		sl_reply_error();
		xlog("rewriting failed\n");
	};
}